{"id":"https://openalex.org/W4225287144","doi":"https://doi.org/10.22331/q-2022-05-02-704","title":"Maximal entanglement increase with single-photon subtraction","display_name":"Maximal entanglement increase with single-photon subtraction","publication_year":2022,"publication_date":"2022-05-02","ids":{"openalex":"https://openalex.org/W4225287144","doi":"https://doi.org/10.22331/q-2022-05-02-704"},"language":"en","primary_location":{"id":"doi:10.22331/q-2022-05-02-704","is_oa":true,"landing_page_url":"https://doi.org/10.22331/q-2022-05-02-704","pdf_url":"https://quantum-journal.org/papers/q-2022-05-02-704/pdf/","source":{"id":"https://openalex.org/S4210226432","display_name":"Quantum","issn_l":"2521-327X","issn":["2521-327X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310317900","host_organization_name":"Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften","host_organization_lineage":["https://openalex.org/P4310317900"],"host_organization_lineage_names":["Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://quantum-journal.org/papers/q-2022-05-02-704/pdf/","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061984038","display_name":"Kun Zhang","orcid":"https://orcid.org/0000-0003-0689-4132"},"institutions":[{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kun Zhang","raw_affiliation_strings":["State Key Laboratory of Precision Spectroscopy, Joint Institute of Advanced Science and Technology, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Precision Spectroscopy, Joint Institute of Advanced Science and Technology, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China","institution_ids":["https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043473487","display_name":"Jietai Jing","orcid":"https://orcid.org/0000-0002-0512-2555"},"institutions":[{"id":"https://openalex.org/I181877577","display_name":"Shanxi University","ror":"https://ror.org/03y3e3s17","country_code":"CN","type":"education","lineage":["https://openalex.org/I181877577"]},{"id":"https://openalex.org/I66867065","display_name":"East China Normal University","ror":"https://ror.org/02n96ep67","country_code":"CN","type":"education","lineage":["https://openalex.org/I66867065"]},{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jietai Jing","raw_affiliation_strings":["CAS Center for Excellence in Ultra-intense Laser Science, Shanghai 201800, China","Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China","Department of Physics, Zhejiang University, Hangzhou 310027, China","State Key Laboratory of Precision Spectroscopy, Joint Institute of Advanced Science and Technology, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CAS Center for Excellence in Ultra-intense Laser Science, Shanghai 201800, China","institution_ids":[]},{"raw_affiliation_string":"Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China","institution_ids":["https://openalex.org/I181877577"]},{"raw_affiliation_string":"Department of Physics, Zhejiang University, Hangzhou 310027, China","institution_ids":["https://openalex.org/I76130692"]},{"raw_affiliation_string":"State Key Laboratory of Precision Spectroscopy, Joint Institute of Advanced Science and Technology, School of Physics and Electronic Science, East China Normal University, Shanghai 200062, China","institution_ids":["https://openalex.org/I66867065"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030070542","display_name":"Nicolas Treps","orcid":"https://orcid.org/0000-0002-1413-3715"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Nicolas Treps","raw_affiliation_strings":["Laboratoire Kastler Brossel, Sorbonne Universit\u00e9, CNRS, ENS-Universit\u00e9 PSL, Coll\u00e8ge de France, 4 place Jussieu, F-75252 Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire Kastler Brossel, Sorbonne Universit\u00e9, CNRS, ENS-Universit\u00e9 PSL, Coll\u00e8ge de France, 4 place Jussieu, F-75252 Paris, France","institution_ids":["https://openalex.org/I2801195679","https://openalex.org/I2746051580","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I1294671590"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029299671","display_name":"Mattia Walschaers","orcid":"https://orcid.org/0000-0003-4649-0044"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I2746051580","display_name":"Universit\u00e9 Paris Sciences et Lettres","ror":"https://ror.org/013cjyk83","country_code":"FR","type":"education","lineage":["https://openalex.org/I2746051580"]},{"id":"https://openalex.org/I2801195679","display_name":"Laboratoire Kastler Brossel","ror":"https://ror.org/01h14ww21","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I187986737","https://openalex.org/I2746051580","https://openalex.org/I2801195679","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I4210098836"]},{"id":"https://openalex.org/I29607241","display_name":"\u00c9cole Normale Sup\u00e9rieure - PSL","ror":"https://ror.org/05a0dhs15","country_code":"FR","type":"other","lineage":["https://openalex.org/I2746051580","https://openalex.org/I29607241"]},{"id":"https://openalex.org/I39804081","display_name":"Sorbonne Universit\u00e9","ror":"https://ror.org/02en5vm52","country_code":"FR","type":"education","lineage":["https://openalex.org/I39804081"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mattia Walschaers","raw_affiliation_strings":["Laboratoire Kastler Brossel, Sorbonne Universit\u00e9, CNRS, ENS-Universit\u00e9 PSL, Coll\u00e8ge de France, 4 place Jussieu, F-75252 Paris, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire Kastler Brossel, Sorbonne Universit\u00e9, CNRS, ENS-Universit\u00e9 PSL, Coll\u00e8ge de France, 4 place Jussieu, F-75252 Paris, France","institution_ids":["https://openalex.org/I2801195679","https://openalex.org/I2746051580","https://openalex.org/I29607241","https://openalex.org/I39804081","https://openalex.org/I1294671590"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":200,"currency":"EUR","value_usd":215},"apc_paid":{"value":200,"currency":"EUR","value_usd":215},"fwci":0.8326,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.77096585,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"6","issue":null,"first_page":"704","last_page":"704"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10020","display_name":"Quantum Information and Cryptography","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10682","display_name":"Quantum Computing Algorithms and Architecture","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10622","display_name":"Quantum Mechanics and Applications","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/quantum-entanglement","display_name":"Quantum entanglement","score":0.9281803369522095},{"id":"https://openalex.org/keywords/bipartite-graph","display_name":"Bipartite graph","score":0.694443941116333},{"id":"https://openalex.org/keywords/squashed-entanglement","display_name":"Squashed entanglement","score":0.6660662889480591},{"id":"https://openalex.org/keywords/quantum-discord","display_name":"Quantum discord","score":0.6344168186187744},{"id":"https://openalex.org/keywords/quantum-mechanics","display_name":"Quantum mechanics","score":0.6180843710899353},{"id":"https://openalex.org/keywords/photon","display_name":"Photon","score":0.5918469429016113},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5722486972808838},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.5674498081207275},{"id":"https://openalex.org/keywords/multipartite-entanglement","display_name":"Multipartite entanglement","score":0.5123728513717651},{"id":"https://openalex.org/keywords/measure","display_name":"Measure (data warehouse)","score":0.4790681302547455},{"id":"https://openalex.org/keywords/subtraction","display_name":"Subtraction","score":0.46170690655708313},{"id":"https://openalex.org/keywords/photon-entanglement","display_name":"Photon entanglement","score":0.4359036386013031},{"id":"https://openalex.org/keywords/quantum-information","display_name":"Quantum information","score":0.42212843894958496},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.4151264429092407},{"id":"https://openalex.org/keywords/quantum-metrology","display_name":"Quantum metrology","score":0.4138484001159668},{"id":"https://openalex.org/keywords/statistical-physics","display_name":"Statistical physics","score":0.39991989731788635},{"id":"https://openalex.org/keywords/quantum","display_name":"Quantum","score":0.3763582706451416},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2936481237411499},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.13803833723068237},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.11922881007194519},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.10916569828987122}],"concepts":[{"id":"https://openalex.org/C121040770","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Quantum entanglement","level":3,"score":0.9281803369522095},{"id":"https://openalex.org/C197657726","wikidata":"https://www.wikidata.org/wiki/Q174733","display_name":"Bipartite graph","level":3,"score":0.694443941116333},{"id":"https://openalex.org/C32270708","wikidata":"https://www.wikidata.org/wiki/Q7582152","display_name":"Squashed entanglement","level":4,"score":0.6660662889480591},{"id":"https://openalex.org/C139356082","wikidata":"https://www.wikidata.org/wiki/Q7269038","display_name":"Quantum discord","level":4,"score":0.6344168186187744},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.6180843710899353},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.5918469429016113},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5722486972808838},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5674498081207275},{"id":"https://openalex.org/C71799126","wikidata":"https://www.wikidata.org/wiki/Q6934832","display_name":"Multipartite entanglement","level":5,"score":0.5123728513717651},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.4790681302547455},{"id":"https://openalex.org/C68060419","wikidata":"https://www.wikidata.org/wiki/Q40754","display_name":"Subtraction","level":2,"score":0.46170690655708313},{"id":"https://openalex.org/C104434177","wikidata":"https://www.wikidata.org/wiki/Q215675","display_name":"Photon entanglement","level":4,"score":0.4359036386013031},{"id":"https://openalex.org/C169699857","wikidata":"https://www.wikidata.org/wiki/Q2122243","display_name":"Quantum information","level":3,"score":0.42212843894958496},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.4151264429092407},{"id":"https://openalex.org/C95013731","wikidata":"https://www.wikidata.org/wiki/Q7269071","display_name":"Quantum metrology","level":5,"score":0.4138484001159668},{"id":"https://openalex.org/C121864883","wikidata":"https://www.wikidata.org/wiki/Q677916","display_name":"Statistical physics","level":1,"score":0.39991989731788635},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.3763582706451416},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2936481237411499},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.13803833723068237},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.11922881007194519},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.10916569828987122},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.0},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.22331/q-2022-05-02-704","is_oa":true,"landing_page_url":"https://doi.org/10.22331/q-2022-05-02-704","pdf_url":"https://quantum-journal.org/papers/q-2022-05-02-704/pdf/","source":{"id":"https://openalex.org/S4210226432","display_name":"Quantum","issn_l":"2521-327X","issn":["2521-327X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310317900","host_organization_name":"Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften","host_organization_lineage":["https://openalex.org/P4310317900"],"host_organization_lineage_names":["Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-03806276v1","is_oa":true,"landing_page_url":"https://hal.science/hal-03806276","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Quantum, 2022, 6, pp.704. ⟨10.22331/q-2022-05-02-704⟩","raw_type":"Journal articles"},{"id":"pmh:oai:doaj.org/article:a34dd160184f4653a9c31065b3a10e71","is_oa":false,"landing_page_url":"https://doaj.org/article/a34dd160184f4653a9c31065b3a10e71","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Quantum, Vol 6, p 704 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.22331/q-2022-05-02-704","is_oa":true,"landing_page_url":"https://doi.org/10.22331/q-2022-05-02-704","pdf_url":"https://quantum-journal.org/papers/q-2022-05-02-704/pdf/","source":{"id":"https://openalex.org/S4210226432","display_name":"Quantum","issn_l":"2521-327X","issn":["2521-327X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310317900","host_organization_name":"Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften","host_organization_lineage":["https://openalex.org/P4310317900"],"host_organization_lineage_names":["Verein zur F\u00f6rderung des Open Access Publizierens in den Quantenwissenschaften"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Quantum","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1633937764","display_name":null,"funder_award_id":"20JC1416100","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"},{"id":"https://openalex.org/G16493853","display_name":null,"funder_award_id":"91436211","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2537143319","display_name":null,"funder_award_id":"B12024","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"},{"id":"https://openalex.org/G353499356","display_name":null,"funder_award_id":"B12024","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3731584974","display_name":null,"funder_award_id":"17ZR1442900","funder_id":"https://openalex.org/F4320309612","funder_display_name":"Natural Science Foundation of Shanghai"},{"id":"https://openalex.org/G4376503068","display_name":"\u65b0\u578b\u975e\u7ebf\u6027\u5e72\u6d89\u4eea\u91cf\u5b50\u7279\u6027\u7684\u5b9e\u9a8c\u7814\u7a76","funder_award_id":"11374104","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4859721833","display_name":null,"funder_award_id":"B12024","funder_id":"https://openalex.org/F4320327912","funder_display_name":"Higher Education Discipline Innovation Project"},{"id":"https://openalex.org/G6762479629","display_name":null,"funder_award_id":"2021-01-07-00-08-E00100","funder_id":"https://openalex.org/F4320321881","funder_display_name":"Shanghai Municipal Education Commission"},{"id":"https://openalex.org/G7413427463","display_name":null,"funder_award_id":"2021-01","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7522176244","display_name":null,"funder_award_id":"ANR-21-CE47-0005","funder_id":"https://openalex.org/F4320320883","funder_display_name":"Agence Nationale de la Recherche"},{"id":"https://openalex.org/G7617336202","display_name":null,"funder_award_id":"2019SHZDZX01","funder_id":"https://openalex.org/F4320321881","funder_display_name":"Shanghai Municipal Education Commission"},{"id":"https://openalex.org/G7696789448","display_name":null,"funder_award_id":"12174110","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7842005466","display_name":null,"funder_award_id":"Horizon 2020","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G7897549362","display_name":null,"funder_award_id":"2019SHZDZX01","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"},{"id":"https://openalex.org/G8280463144","display_name":"\u91cf\u5b50\u76f8\u5e72\u53cd\u9988\u673a\u5236\u5728\u539f\u5b50\u7cfb\u7efc\u7ea7\u8054\u56db\u6ce2\u6df7\u9891\u4f53\u7cfb\u4e2d\u7684\u91cf\u5b50\u8c03\u63a7\u673a\u7406\u7814\u7a76","funder_award_id":"11874155","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8562493915","display_name":null,"funder_award_id":"899587","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"},{"id":"https://openalex.org/G8958658036","display_name":null,"funder_award_id":"2021-01-07-00-08-E00100","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"}],"funders":[{"id":"https://openalex.org/F4320309612","display_name":"Natural Science Foundation of Shanghai","ror":null},{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320320883","display_name":"Agence Nationale de la Recherche","ror":"https://ror.org/00rbzpz17"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321881","display_name":"Shanghai Municipal Education Commission","ror":"https://ror.org/05tewj457"},{"id":"https://openalex.org/F4320321885","display_name":"Science and Technology Commission of Shanghai Municipality","ror":"https://ror.org/03kt66j61"},{"id":"https://openalex.org/F4320327912","display_name":"Higher Education Discipline Innovation Project","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4225287144.pdf","grobid_xml":"https://content.openalex.org/works/W4225287144.grobid-xml"},"referenced_works_count":59,"referenced_works":["https://openalex.org/W1509262151","https://openalex.org/W1970948459","https://openalex.org/W1977545330","https://openalex.org/W1978553093","https://openalex.org/W1984004232","https://openalex.org/W1985989979","https://openalex.org/W1986407511","https://openalex.org/W1988092736","https://openalex.org/W1992433153","https://openalex.org/W1999706070","https://openalex.org/W2002028071","https://openalex.org/W2003514054","https://openalex.org/W2006270623","https://openalex.org/W2006614010","https://openalex.org/W2013276173","https://openalex.org/W2013397471","https://openalex.org/W2020747741","https://openalex.org/W2030802062","https://openalex.org/W2033909248","https://openalex.org/W2035993353","https://openalex.org/W2042414709","https://openalex.org/W2050151514","https://openalex.org/W2053451295","https://openalex.org/W2060887031","https://openalex.org/W2073465935","https://openalex.org/W2073654069","https://openalex.org/W2082373517","https://openalex.org/W2084392722","https://openalex.org/W2087832724","https://openalex.org/W2094117193","https://openalex.org/W2112771737","https://openalex.org/W2142739935","https://openalex.org/W2147282524","https://openalex.org/W2163525631","https://openalex.org/W2468974260","https://openalex.org/W2475304489","https://openalex.org/W2504502024","https://openalex.org/W2592609950","https://openalex.org/W2727688278","https://openalex.org/W2751434069","https://openalex.org/W2798568814","https://openalex.org/W2946079439","https://openalex.org/W2962964032","https://openalex.org/W2993871353","https://openalex.org/W2995427418","https://openalex.org/W2996467452","https://openalex.org/W3009782216","https://openalex.org/W3037089521","https://openalex.org/W3037737784","https://openalex.org/W3080807108","https://openalex.org/W3091054469","https://openalex.org/W3100869670","https://openalex.org/W3101115095","https://openalex.org/W3103380687","https://openalex.org/W3103941119","https://openalex.org/W3105340797","https://openalex.org/W3157892791","https://openalex.org/W3204400955","https://openalex.org/W4287627795"],"related_works":["https://openalex.org/W2900200179","https://openalex.org/W2464121619","https://openalex.org/W2050050086","https://openalex.org/W2085200623","https://openalex.org/W4293117516","https://openalex.org/W4288724673","https://openalex.org/W3104753428","https://openalex.org/W4297636734","https://openalex.org/W4312138437","https://openalex.org/W4323310653"],"abstract_inverted_index":{"Entanglement":[0],"is":[1,35,84],"an":[2,43],"indispensable":[3],"quantum":[4,7,12],"resource":[5],"for":[6,26,86],"information":[8],"technology.":[9],"In":[10,38],"continuous-variable":[11],"optics,":[13],"photon":[14],"subtraction":[15,54],"can":[16,75],"increase":[17,34],"the":[18,29,47,68,93,98],"entanglement":[19,33,44,57,73],"between":[20],"Gaussian":[21,88],"states":[22,28],"of":[23,31,71,92,95],"light,":[24],"but":[25],"mixed":[27],"extent":[30],"this":[32,39],"poorly":[36],"understood.":[37],"work,":[40],"we":[41],"use":[42],"measure":[45],"based":[46],"R\u00e9nyi-2":[48],"entropy":[49],"to":[50],"prove":[51],"that":[52,74],"single-photon":[53],"increases":[55],"bipartite":[56,72],"by":[58],"no":[59],"more":[60],"than":[61],"log":[62],"2.":[63],"This":[64],"value":[65],"coincides":[66],"with":[67,78],"maximal":[69],"amount":[70],"be":[76],"achieved":[77],"one":[79],"photon.":[80],"The":[81],"upper":[82],"bound":[83],"valid":[85],"all":[87],"input":[89],"states,":[90],"regardless":[91],"number":[94],"modes":[96],"and":[97],"purity.":[99]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-20T22:02:38.213706","created_date":"2025-10-10T00:00:00"}